Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAAAAwFt4mmRXA/E3EHVUfGzXHSWsPwY/XzMoJAREdE2mSjy+hB8TglnWMlQ4fNT… (844 chars)"
  }
}